[Scan-DC] N6643N Mar-Tech Engineering

[Eric C. Carlson]

Straight-line pattern flights like that are typically surveying or
aerial photography related.

-Eric

On Thu, Jan 14, 2016 at 1:11 PM, Alan Henney <alan at henney.com> wrote:
>
> This Cessna was flying over Takoma Park around 2 a.m. today.
>
> Checking FlightAware, it appears to have covered almost all of Prince George’s County.
>
> https://www.dropbox.com/s/ga3nbth7vxbqpl9/N6643N2.png?dl=0
>
> I was surprised to find it on FlightAware but not on my ADSBScope.
>
> Any thoughts?
>
> Alan
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